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How many 18" tiles for a 6×8 room?

Answer
24 tiles (3 boxes)
Room area with 10% waste: 53 sq ftTile size: 18"×18"10 tiles per box

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How We Calculated This

Tiles = ceil((L × W × 1.10) / tile area)

Area = 6 × 8 = 48 sq ft. With 10% waste = 53 sq ft. Each 18" tile = 2.25 sq ft. Tiles = 24.

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Calculated using verified formulas. Last updated March 2026.